What is represented by the the colour range in this map?
sea currents speed
Launched June 10, 2011, Aquarius is NASA’s first satellite instrument specifically designed to study the salt content of ocean surface waters. The complete first year dataset of NASA's Aquarius instrument reveals seasonal changes in the Amazon River's plume. Depending on the prevailing currents, the river's freshwater outflow heads east toward Africa or bends up north to the Caribbean.
reach: rather globalAmazongeographyoceansriverssalinitysaltsatellite photographyseaswater
+5 Very interesting! globalquiz.org